參數(shù)資料
型號(hào): HD74AC
廠商: Hitachi,Ltd.
英文描述: HD74AC Series Common Information
中文描述: HD74AC系列通用信息
文件頁(yè)數(shù): 9/52頁(yè)
文件大小: 220K
代理商: HD74AC
FACT Descriptions and Family Characteristics
8
0.001
0.3
1.0
3.0
10.0
2
4
6
8
10
HC
FACT
ALS
LS
FAST
AS
P
Power Per Gate (mW)
(Not to scale)
Figure8 Propagation Delays
Table 1a Logic Family Comparisons General Characteristics (All Max Ratings)
FACT
Characteristics
Symbol
LS
ALS
HCMOS
HD74AC
HD74ACT
Unit
Operating voltage
range
V
CC/EE/DD
5
±
5%
5
±
10% 2.0 to 6.0
2.0 to 6.0
4.5 to 5.5
V
Operating
temperature
range
–20 to +75 0 to +70 –40 to +85
–40 to +85
–40 to +85
°
C
Input voltage
(limits)
V
IH
(min)
2.0
2.0
3.15
3.15
2.0
V
V
IL
(max)
V
OH
(min)
0.8
0.8
1.35
1.35
0.8
V
Output voltage
(limits)
2.7
2.7
V
CC
– 0.1
V
CC
– 0.1
V
CC
– 0.1
V
V
OL
(max)
I
IH
I
IL
I
OH
0.5
0.5
0.1
0.1
0.1
V
Input current
20
20
+1.0
+1.0
+1.0
μ
A
μ
A
–400
–200
–1.0
–1.0
–1.0
Output current at
V
0
(limit)
–0.4
–0.4
–4.0 @ V
CC
0.37
–24 @ V
CC
0.7
–24 @ V
CC
0.7
mA
I
OL
DCM
8.0
8.0
4.0 @ 0.33 V
24 @ 0.37 V
24 @ 0.37 V
mA
DC noise margin
low/high
0.3/0.7
0.4/0.7
1.25/1.25
1.25/1.25
0.7/2.4
V
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